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Finding the Fourth Proportional to 124,168.75, 171,352.88 and 67,580.53

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Solution

The fourth proportional to 124,168.75, 171,352.88 and 67,580.53 is: 93,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,168.75 : 171,352.88 = 67,580.53 : x
  2. Step 2: Convert to fraction form
    124,168.75/171,352.88 = 67,580.53/x
  3. Step 3: Cross multiply
    124,168.75x = 171,352.88 × 67,580.53
  4. Step 4: Simplify right side
    124,168.75x = 11,580,118,447.43
  5. Step 5: Solve for x
    x = 11,580,118,447.43/124,168.75
  6. Step 6: Final answer
    x = 93,261.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.